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-rw-r--r--llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp5
1 files changed, 2 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
index b1cad6ba009..7654c34cc4c 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
@@ -102,9 +102,8 @@ static Value *simplifyValueKnownNonZero(Value *V, InstCombiner &IC,
/// Return a null pointer otherwise.
static Constant *getLogBase2(Type *Ty, Constant *C) {
const APInt *IVal;
- if (const auto *CI = dyn_cast<ConstantInt>(C))
- if (match(CI, m_APInt(IVal)) && IVal->isPowerOf2())
- return ConstantInt::get(Ty, IVal->logBase2());
+ if (match(C, m_APInt(IVal)) && IVal->isPowerOf2())
+ return ConstantInt::get(Ty, IVal->logBase2());
if (!Ty->isVectorTy())
return nullptr;
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